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Individual Calculations February 2020 |
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| Naldrett, Geoffrey Total change: -25.40 | |   |
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| Gibraltar International Chess Festival 2020 Amateurs A | Gibraltar | ENG | 2020-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1580 | 1526 | 1.50 | 5 | -0.73 | 20 | -14.60 | |
|  Dragic, Dragan | | | 1781 | SRB | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Bryant, Richard B E | | | 1849 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Zhou, Jing | | | 1457 | CHN | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Oliva Parra, Ernesto | | | 1487 | ESP | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Maloney, Harry | | | 1328 | ENG | 0.50 | 1 | -0.26 | 20 | -5.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Gibraltar International Chess Festival 2020 Amateurs B | Gibraltar | ENG | 2020-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1618 | 1526 | 1.00 | 4 | -0.54 | 20 | -10.80 | |
| | Diaz Gallego, Saul | | | 1801 | ESP | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Sagar, Siya | | | 1740 | IND | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Krause, Helmut | | | 1660 | GER | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Russell, Logan | | | 1269 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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